3D hierarchical cobalt vanadate nanosheet arrays on Ni foam coupled with redox additive for enhanced supercapacitor performance
Van Thanh Nguyen, Fitri Nur Indah Sari, Jyh‐Ming Ting
Abstract
ASC device based on Co 3 V 2 O 8 nanowalls, activated carbon and K 3 [Fe(CN) 6 ]/KOH redox additive electrolyte shows an ultrahigh energy density of 55.5 W h Kg −1 at a power density of 800 W Kg −1 .
Topics & Concepts
SupercapacitorNanosheetElectrolyteCapacitanceMaterials scienceElectrodeElectrochemistryVanadateCobaltRedoxCurrent densityChemical engineeringPower densityNanotechnologyInorganic chemistryChemistryMetallurgyPower (physics)Quantum mechanicsEngineeringPhysicsPhysical chemistrySupercapacitor Materials and FabricationAdvanced battery technologies researchElectrocatalysts for Energy Conversion